Twilight and Spike are sent by Celestia to the ruins of her old castle for research, and unknown to each other, the rest of the ponies find their way there as well. Meanwhile, trap doors, secret passages and a dark presence known only as the Shadow Pony await them.

When Rainbow Dash discovers that the new A.K. Yearling book she has been eagerly anticipating is delayed, she recruits her reluctant pony friends to spring into action to ensure the book gets written. However, when the ponies arrive to help the famous author, they soon discover that A.K. Yearling has a secret that sends Rainbow Dash and her pony friends on an unexpected mission.

Rainbow Dash is over the moon to be coaching the young ponies in Scootaloo’s class for their competition to carry the flag at the upcoming Equestria Games. Just as The Cutie Mark Crusaders find their rhythm, Diamond Tiara's taunting becomes too much to handle and Scootaloo begins to doubt herself and her team.

When Spike and the ponies are transported into the city of Maretropolis in his favorite comic book, Spike is disappointed when he becomes a boring sidekick instead of one of his favorite heroes. But when the ponies come up against pony super villain, The Mane-iac, Spike becomes the last line of defense to help save the day.

When Applejack’s beautiful orchard falls under attack on Apple Bucking Day, it is clear that the dreaded Vampire Fruitbats have returned and Applejack is ready to take drastic measures to protect the orchard. However, the always compassionate Fluttershy argues for a more humane plan, which causes conflict between the two and could cost them their friendship.

Rarity is thrilled to be heading to Manehattan for an important fashion show and brings all of her friends along for a high-class adventure in the city she loves. But when another designer ruins Rarity’s chances at winning the competition, she turns to the rest of the Mane Six for help, not realizing that her anger and ambition are damaging her friendships

Pinkie makes an astonishing discovery that may link the Pie family to the Apple clan, and no one is more excited than Pinkie to hop on the Apple wagon to find the pony who will know for sure. Along the way they must learn to appreciate each other’s strengths and faults to find out what really makes a family.

Rainbow Dash and her Ponyville team arrive in Rainbow Falls to fly in the qualifying round of the Equestria Games when it becomes apparent that the competition definitely has a hoof up on them. Then, when the elite Cloudsdale team offers Rainbow Dash a spot on their top notch squad, she’s faced with making a tough decision about where her loyalties lie.

As Twilight Sparkle eagerly anticipates the arrival of Princess Cadance, Discord dishes up quite the dreadful disruption when he arrives and begs the ponies to take care of him while he is sick. But when Discord’s diva-like demands get ridiculously out of hand, Twilight’s generosity and friendship abilities are put to the test during her special weekend with Cadance.

An elated Pinkie Pie is planning the biggest and best "birth-iversary" party ever for Rainbow Dash, but when another party planning pony named Cheese Sandwich rides into town, plans change. Soon, everypony is so excited about Cheese Sandwich's party that they forget about Pinkie Pie, but her pride won't let her go down without an official "goof off."

Rarity is known around Ponyville for her confidence and class, both of which are lost when Trenderhoof, the world famous travel writer and apple of Rarity's eye, comes to town. So, when Trenderhoof's attention is drawn to Applejack, Rarity does the unexpected and begins to dress and act more like Applejack than herself, which ends up in a muddy mess.

When Big Macintosh of the singing group, The Ponytones, has to drop out of an important performance, Fluttershy takes drastic measures to ensure that the show goes on.
Song: "Music in the Treetops"
Song: "Find the Music in You"
Song: "Find the Music in You" - (Reprise Version)
Song: "Music in the Treetops" - (Reprise Version)

The Cutie Mark Crusaders are thrilled when Twilight offers to help them with their studies. However, problems arise when the girls realize they can use their relationship with Twilight to increase their popularity.

Fluttershy takes action to rescue a group of magical Breezies, who're in need of some assistance while migrating home, but she begins to wander how long she can help them when she finds herself answering to the tiny creatures' every whim.

Sweetie Belle ruins a costume for one of Rarity's clients on purpose for taking the focus off her accomplishments again; Princess Luna visits Sweetie Belle in her dreams to show what she may not have seen.

When the Flim Flam Brothers promote a new kind of tonic that supposedly cures any and all ailments, Applejack is immediately suspicious but has second thoughts after Granny Smith claims that the tonic has relieved her various pains.
Song: "The Flim Flam Miracle Curative Tonic Song"

Rainbow Dash wants more than anything to become a member of the prestigious Wonderbolts Reserves, but worries that she may not be able to pass the entrance exam; Rainbow Dash goes to extreme measures to prepare for The Wonderbolts' test.
Song: "The History of The Wonderbolts Rap"